A. Composition
B. Texture
C. Firing temperature
D. All A., B. and C.
Refractory Technology
Refractory Technology
A. 8
B. 24
C. 44
D. 58
A. Bottom of soaking pits
B. Between acid & basic linings in basic open hearth furnaces to prevent their chemical action
with each other
C. Both A. & B.
D. Neither A. and B.
A. Are wetted by molten iron
B. Are used in the hearth of blast furnace
C. Are acidic in nature
D. All A., B. and C.
A. Furnaces allowed to cool frequently
B. Flues
C. Chimney linings
D. All A., B. and C.
A. Spalling resistance
B. Thermal conductivity
C. Fusion point
D. Slag penetration resistance
A. Washing action of metal
B. Corrosion by layer of slag
C. Both A. & B.
D. Neither A. nor B.
A. Corundum
B. Carborundum
C. Bauxite
D. Periclase
A. Slide gate in teeming laddies
B. Continuous casting systems
C. Both A. and B.
D. Neither A. nor B.
A. 5 to 10
B. 20 to 30
C. 45 to 60
D. 60 to 75